CN205139351U - On --spot error -detecting integration test device of 750kV capacitance type potential transformer - Google Patents
On --spot error -detecting integration test device of 750kV capacitance type potential transformer Download PDFInfo
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- CN205139351U CN205139351U CN201520715156.8U CN201520715156U CN205139351U CN 205139351 U CN205139351 U CN 205139351U CN 201520715156 U CN201520715156 U CN 201520715156U CN 205139351 U CN205139351 U CN 205139351U
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000010354 integration Effects 0.000 title abstract 3
- 239000004020 conductor Substances 0.000 claims abstract description 8
- 238000004378 air conditioning Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract 3
- 210000001503 joint Anatomy 0.000 abstract 1
- 238000005259 measurement Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 3
- NMFHJNAPXOMSRX-PUPDPRJKSA-N [(1r)-3-(3,4-dimethoxyphenyl)-1-[3-(2-morpholin-4-ylethoxy)phenyl]propyl] (2s)-1-[(2s)-2-(3,4,5-trimethoxyphenyl)butanoyl]piperidine-2-carboxylate Chemical compound C([C@@H](OC(=O)[C@@H]1CCCCN1C(=O)[C@@H](CC)C=1C=C(OC)C(OC)=C(OC)C=1)C=1C=C(OCCN2CCOCC2)C=CC=1)CC1=CC=C(OC)C(OC)=C1 NMFHJNAPXOMSRX-PUPDPRJKSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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Abstract
The utility model discloses an on - -spot error -detecting integration test device of 750kV capacitance type potential transformer, including wiring board, insulation support, standard voltage transformer, reactor, base, hydraulic pressure cylinder, voltage regulator and a driver transformer. Wiring board set up in insulation support's one end, insulation support's other end difference connection standard voltage transformer and reactor, connect through high -pressure conductor between standard voltage transformer and reactor. The support has been cup jointed to the lower part of reactor, the one end of leg joint hydraulic pressure cylinder, the other end of hydraulic pressure cylinder is connected the base. The utility model discloses realize reactor and standard voltage transformer integration, it is simple and efficient to take one's place moreover, and test efficiency is high, avoids the wiring of measurement personnel high altitude, proposes the security of testing process.
Description
Technical field
The utility model relates to field of electrical equipment, and what be specifically related to is that 750kV capacitance type potential transformer site error detects integrated test unit.
Background technology
In correlation technique, conventional condenser voltage transformer error checkout equipment, general two save or two joint above reactor carry out resonance step-up after coordinate independent standard potential transformer to carry out error-detecting, inventor finds, equipment set is bulky, transport difficult, need testing staff to carry out high-altitude wiring during Site Detection, improve difficulty and the danger of detection.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide 750kV capacitance type potential transformer site error and detects integrated test unit, solution conventional condenser voltage transformer error checkout equipment is bulky, transport difficult, needs testing staff to carry out the technical matters of high-altitude wiring during Site Detection
For solving the problems of the technologies described above, the technical solution adopted in the utility model is that 750kV capacitance type potential transformer site error detects integrated test unit, comprise grading shield, primary connection plate, insulating sleeve, standard potential transformer, reactor, base, hydraulic cylinder, pressure regulator and driver transformer, described integrated test unit is installed on described base.Described grading shield connects primary connection plate, described primary connection plate is arranged at one end of described insulating sleeve, other end connection standard voltage transformer (VT) and the reactor respectively of described insulating sleeve, described standard potential transformer is connected by high-pressure conductor with between reactor.The bottom of described reactor is socketed with support, and described support connects one end of hydraulic cylinder, and the other end of described hydraulic cylinder connects described base; Described pressure regulator connects AC power and driver transformer respectively, and described driver transformer connects described reactor, and electric current flows through pressure regulator, driver transformer and reactor successively from AC power.
As preferably, the voltage output end of described driver transformer connects the low pressure end of described reactor, and described standard potential transformer and described capacitance type potential transformer are connected in parallel to the high-pressure side of described reactor.
As preferably, one end of described insulating sleeve is connected with threeway flange, described threeway flange respectively with standard potential transformer and reactor Flange joint.
As preferably, be socketed with corrugated tube outside the high-pressure conductor between described standard potential transformer and reactor, the two ends of described corrugated tube connect described standard potential transformer and reactor respectively.
As preferably, be provided with operator's console between described pressure regulator and driver transformer, described operator's console controls the voltage that described pressure regulator is delivered to driver transformer, and shows the magnitude of voltage of standard potential transformer and the current value of reactor.
As preferably, described integrated test unit also comprises power supply disks, terminal box, Hydraulic Station and electric control room, and described power supply disks, terminal box, Hydraulic Station and electric control room are all located on base.
As preferably, described electrical control chamber interior is fixed with mutual-inductor tester, voltage transformer (VT) load box and air-conditioning, and inside is also provided with operator's console and pressure regulator in addition.
In the utility model, reactor and standard potential transformer are linked together by corrugated tube, realize reactor and standard potential transformer is integrated, the fluid power adopting hydraulic cylinder and Hydraulic Station to realize reactor and standard potential transformer is in addition holded up and fell operation, make described detecting device integrated in place easy, quick, need not repeat wiring, installation, test efficiency is high, time saving and energy saving, avoid testing staff's high-altitude wiring, propose the security of testing process.
Accompanying drawing explanation
Accompanying drawing is utilized to be described further utility model, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Structural representation when Fig. 1 is the utility model vertical state.
Section of structure when Fig. 2 is the utility model vertical state.
Structural representation when Fig. 3 is the utility model horizontality.
Fig. 4 is electric hookup of the present utility model.
Fig. 5 is the schematic diagram of the utility model electrical control chamber interior.
Reference numeral: 1, grading shield, 2, primary connection plate, 3, high-pressure conductor, 4, insulating sleeve, 5, threeway flange, 6, reactor, 7, standard potential transformer, 8, corrugated tube, 9, driver transformer, 10, power supply disks, 11, terminal box, 12, Hydraulic Station, 13, air-conditioning, 14, electric control room, 15, support, 16, mutual-inductor tester, 17, voltage transformer (VT) load box, 18, operator's console, 19, pressure regulator, 20, capacitance type potential transformer, 21, hydraulic cylinder.
Embodiment
With the following Examples the utility model is further described.
As depicted in figs. 1 and 2,750kV capacitance type potential transformer site error detects integrated test unit, comprise grading shield 1, primary connection plate 2, insulating sleeve 4, standard potential transformer 7, reactor 6, base, hydraulic cylinder 21, pressure regulator 19 and driver transformer 9, described integrated test unit is installed on described base.Described grading shield 1 connects primary connection plate 2, described primary connection plate 2 is arranged at one end of described insulating sleeve 4, in the present embodiment, the other end of described insulating sleeve 4 is by threeway flange 5 connection standard voltage transformer (VT) 7 and reactor 6 respectively, one end of described insulating sleeve 4 is connected with threeway flange 5, described threeway flange 5 respectively with standard potential transformer 7 and reactor 6 Flange joint.Described standard potential transformer 7 is connected by high-pressure conductor 3 with between reactor 6.In the present embodiment, standard potential transformer 7 and reactor 6 all adopt sulfur hexafluoride gas-insulating, and inside is all provided with guarded electrode, make Electric Field Distribution more even, improve the dielectric strength of standard potential transformer 7 and reactor 6.Corrugated tube 8 is socketed with outside high-pressure conductor 3 between described standard potential transformer 7 and reactor 6, the two ends of described corrugated tube 8 connect described standard potential transformer 7 and reactor 6 respectively, make testing staff to carry out high-altitude wiring, improve the security in testing process.
The bottom of described reactor 6 is socketed with support 15, and described support 15 connects one end of hydraulic cylinder 21, and the other end of described hydraulic cylinder 21 connects described base.Hydraulic cylinder 21 promotes or reduces described reactor 6 and standard potential transformer 7, as shown in Figure 3, conveniently detects.
As shown in Figure 4, described pressure regulator 19 connects AC power and driver transformer 9 respectively, and described driver transformer 9 connects described reactor 6, and electric current flows through pressure regulator 19, driver transformer 9 and reactor 6 successively from AC power.In the present embodiment, the voltage output end of described driver transformer 9 connects the low pressure end of described reactor 6, and described standard potential transformer 7 and described capacitance type potential transformer 20 are connected in parallel to the high-pressure side of described reactor 6.The low pressure end earth of described driver transformer 9, standard potential transformer 7 and capacitance type potential transformer 20.
In the present embodiment, be provided with operator's console 18 between described pressure regulator 19 and driver transformer 9, described operator's console 18 controls the voltage that described pressure regulator 19 is delivered to driver transformer 9, and shows the magnitude of voltage of standard potential transformer 7 and the current value of reactor 6.
In the present embodiment, describedly detecting device integratedly also comprise power supply disks 10, terminal box 11, Hydraulic Station 12 and electric control room 14, described power supply disks 10, terminal box 11, Hydraulic Station 12 and electric control room 14 are all located on base.
As shown in Figure 5, in the present embodiment, described electric control room 14 inside is fixed with mutual-inductor tester 16, voltage transformer (VT) load box 17 and air-conditioning 13, and operator's console 18 and pressure regulator 19 are also installed in inside in addition.Standard potential transformer 7 and capacitance type potential transformer 20 carry out secondary voltage comparison by mutual-inductor tester 16 and draw measuring error.Testing staff by action button adjustment hydraulic cylinder 21 to diverse location, makes reactor 6 and standard potential transformer 7 be in vertically and horizontality in electric control room 14.
Reactor 6 and standard potential transformer 7 are fixed to one structure, overall width below 2.3 meters, convenient transportation.Through optimal design, can tolerate the physical shock of more than 10 times acceleration of gravity in detecting device integrated transport, through theory calculate, reactor 6 quality factor q >=20, standard potential transformer 7 accuracy class reaches 0.02 grade.The present embodiment is tested by experiment, detecting device integrated overall quality Q >=20, the power < 30Kva of demand, can meet on-the-spot testing requirements capacitance type potential transformer 20 being applied to power-frequency voltage and error-detecting in 750kV power station.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection domain; although done to explain to the utility model with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (7)
1.750kV capacitance type potential transformer site error detects integrated test unit, it is characterized in that, comprise grading shield, primary connection plate, insulating sleeve, standard potential transformer, reactor, base, hydraulic cylinder, pressure regulator and driver transformer, described integrated test unit is installed on described base; Described grading shield connects primary connection plate, described primary connection plate is arranged at one end of described insulating sleeve, other end connection standard voltage transformer (VT) and the reactor respectively of described insulating sleeve, described standard potential transformer is connected by high-pressure conductor with between reactor; The bottom of described reactor is socketed with support, and described support connects one end of hydraulic cylinder, and the other end of described hydraulic cylinder connects described base; Described pressure regulator connects AC power and driver transformer respectively, and described driver transformer connects described reactor, and electric current flows through pressure regulator, driver transformer and reactor successively from AC power.
2. 750kV capacitance type potential transformer site error detects integrated test unit according to claim 1, it is characterized in that, the voltage output end of described driver transformer connects the low pressure end of described reactor, and described standard potential transformer and described capacitance type potential transformer are connected in parallel to the high-pressure side of described reactor.
3. 750kV capacitance type potential transformer site error detects integrated test unit according to claim 1, it is characterized in that, one end of described insulating sleeve is connected with threeway flange, described threeway flange respectively with standard potential transformer and reactor Flange joint.
4. 750kV capacitance type potential transformer site error detects integrated test unit according to claim 1, it is characterized in that, be socketed with corrugated tube outside high-pressure conductor between described standard potential transformer and reactor, the two ends of described corrugated tube connect described standard potential transformer and reactor respectively.
5. 750kV capacitance type potential transformer site error detects integrated test unit according to claim 1, it is characterized in that, operator's console is provided with between described pressure regulator and driver transformer, described operator's console controls the voltage that described pressure regulator is delivered to driver transformer, and shows the magnitude of voltage of standard potential transformer and the current value of reactor.
6. 750kV capacitance type potential transformer site error detects integrated test unit according to claim 1, it is characterized in that, also comprise power supply disks, terminal box, Hydraulic Station and electric control room, described power supply disks, terminal box, Hydraulic Station and electric control room are all located on base.
7. 750kV capacitance type potential transformer site error detects integrated test unit according to claim 6, it is characterized in that, described electrical control chamber interior is fixed with mutual-inductor tester, voltage transformer (VT) load box and air-conditioning, and inside is also provided with operator's console and pressure regulator in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715156.8U CN205139351U (en) | 2015-09-15 | 2015-09-15 | On --spot error -detecting integration test device of 750kV capacitance type potential transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520715156.8U CN205139351U (en) | 2015-09-15 | 2015-09-15 | On --spot error -detecting integration test device of 750kV capacitance type potential transformer |
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| CN205139351U true CN205139351U (en) | 2016-04-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742044A (en) * | 2016-05-11 | 2016-07-06 | 山东泰开互感器有限公司 | 500kV wide-transformation-ratio standard voltage transformer |
| CN109298369A (en) * | 2018-11-01 | 2019-02-01 | 苏州华电电气股份有限公司 | Extra-high voltage direct-current transducer check platform |
| CN110488068A (en) * | 2019-08-07 | 2019-11-22 | 国网河北省电力有限公司 | A kind of sampling unit on capacitance type potential transformer |
-
2015
- 2015-09-15 CN CN201520715156.8U patent/CN205139351U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105742044A (en) * | 2016-05-11 | 2016-07-06 | 山东泰开互感器有限公司 | 500kV wide-transformation-ratio standard voltage transformer |
| CN109298369A (en) * | 2018-11-01 | 2019-02-01 | 苏州华电电气股份有限公司 | Extra-high voltage direct-current transducer check platform |
| CN110488068A (en) * | 2019-08-07 | 2019-11-22 | 国网河北省电力有限公司 | A kind of sampling unit on capacitance type potential transformer |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Marketing service center of State Grid Xinjiang Electric Power Co., Ltd. (capital intensive center, metering center) Address before: 100761 West Chang'an Avenue, Beijing, No. 86, No. Patentee before: State Grid Corporation of China Patentee before: ELECTRIC POWER SCIENCES RESEARCH INSTITUTE OF STATE GRID XINJIANG ELECTRIC POWER Co. |